Storing authorization data on the blockchain?

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snegirev_news2018-05-18 17:43:20

Python

snegirev_news, 2018-05-18 17:43:20

How is authorization data stored on the blockchain?
If the blocks themselves are stored in open form in some kind of BLOB file, then we would not want to store such data as phone or mail.
Separately encrypt them with the user's key? Or is there a better option?

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